Disabling Orthostatic Headache after Penetrating Stonemason Pencil Injury to the Sacral Region

Figure 4

Intraoperative pictures from the high resolution microscope. (a) The dural laceration, with sacral roots contused, and the impact point of the penetrating object in the anterior part of the dural sac, at the level of the posterior wall of S1 vertebral body; in the middle of the contusion some little graphite pigments from the pencil tip can be seen. (b) The watertight closure of the dural sac.

(a)

(b)